"Security" matching MCP servers:

A minimal Google Sheets MCP server that exposes only three tools for reading and writing spreadsheet tabs. It prioritizes security by enforcing an allowlist, using RAW writes, and avoiding Drive scopes.

A hardened, safety-first Google Calendar MCP server enabling AI agents to read and manage calendars with strict data isolation and runtime security limits.

Enables AI to read Feishu documents, send messages, and manage calendars with a focus on Chinese users and security.

Enables Large Language Models to interact with n8n automation instances through the Model Context Protocol. Supports workflow management, execution, credentials handling, and security audits through natural language commands.

An integration server that lets you control Microsoft Outlook on Windows via COM, enabling email reading, summarization, and draft generation without complex security setup.

Enables Claude to read, create, and edit a single pre-bound PowerPoint file via MCP tools, with security bound to one specific .pptx file.

Enables to manage Nextcloud files, user info, sharing, calendar, and contacts through optimized MCP tools with dynamic tool selection and enterprise-grade security.

A security-hardened MCP server for TickTick that enables managing your tasks directly through any MCP-compatible client.

A small, self-hosted MCP server that gives Claude read/write access to your Google Sheets via the official Sheets API, with local-first security and guard rails.

Connects Claude Desktop and other MCP clients directly to Notion with secure SSE support for CRUD operations. Designed for cloud deployment with bearer authentication, rate limiting, and security headers.

Enables natural language control over Google Workspace (Gmail, Drive, Calendar, Sheets, Slides, Tasks) through secure OAuth 2.1 authentication, with vault-level security and multi-user isolation.

Connects any number of Notion workspaces through a single MCP server, exposing four tools for connecting, listing, searching, and fetching Notion content. Ensures constant tool surface regardless of workspace count, with OAuth-based security.

An MCP server that connects Claude to a personal Microsoft Outlook mailbox via Microsoft Graph, providing tools for mail, calendar, contacts, tasks, and settings with a strong security model.

Enables authorized employees and AI hosts to perform Pyrus operations over the Model Context Protocol (MCP) with production-grade security and observability.

Provides 20 tools for Google Drive, Docs, and Calendar operations with OAuth 2.0 security and comprehensive error handling.

Enables AI assistants to securely manage Google Workspace services (Gmail, Calendar, Drive, Sheets, Contacts) with persistent multi-account OAuth. Uses OS keychain for credential storage with health monitoring and granular business rules for enterprise security.

A stdio MCP server for workspace-parameterized task CRUD on SKRYE with row-level security, enabling task management through natural language.

Enables creating, editing, and reading PowerPoint presentations (PPTX) with security features like ZIP bomb protection, macro detection, and path traversal prevention.

This MCP server enables managing DingTalk OA approval processes via the official OpenAPI, supporting approval detail queries, attachment downloads, and approval workflow actions such as starting, approving, rejecting, and revoking instances, with security features like fixed caller and allowlist.

Bridges the editing capabilities of an already-open DingTalk document in the browser to any MCP host via standard stdio, forwarding tools to the page's internal MCP server over a local WebSocket. Supports read/write operations through suggested edits, pairing-based security, and zero runtime dependencies.

Provides comprehensive management of Microsoft 365 services including Exchange, SharePoint, Teams, Azure AD, Intune device management, security & compliance frameworks, and universal access to 1000+ Microsoft Graph API endpoints with advanced features like batch operations, delta queries, and real-time webhooks.

A security-hardened integration that enables Claude to interact with Google Workspace tools like Gmail, Drive, and Docs while preventing data exfiltration by disabling features like email sending and external file sharing. It allows users to safely manage emails, documents, and calendars through natural language without risking unauthorized external communication.

An enterprise-grade MCP server that integrates AI agents with Google Sheets and Apps Script using over 100 specialized tools for automation and data analysis. It features a self-healing architecture with advanced security and observability for production-ready workflows.

Connects LLMs and AI agents to enterprise Microsoft 365 environments, enabling administration across Exchange Online, Microsoft Graph, Entra ID, compliance, security, mailbox operations, and mail-flow diagnostics through 34 tools.

Universal Microsoft Graph API gateway providing access to 1000+ endpoints for managing Microsoft 365 services including Teams, SharePoint, Exchange, Intune, security, compliance, and Azure AD with dynamic tool generation and advanced features like batch operations and webhooks.

Enables MCP clients to securely access and operate a Microsoft 365 tenant through the full Microsoft Graph API, covering mail, calendar, files, Teams, SharePoint, Planner, OneNote, Excel, admin, security, and more with 219 tools and guarded write capability.